/**
 * 测试段错误；
 * @author: sundx
 * @date: 2020-05-30 22:05:48
 * @Last Modified by:   sundx
 * @Last Modified time: 2020-05-30 22:05:48
 */
int main() {
  char *m = "sss";
  m[1] = "i";
  return 0;
}